Sofia Vergara's Bikini Friend -- Horrible Decision!

Sofia Vergara's Bikini Friend

Horrible Decision!

7/12/2010 8:30 AM PDT BY TMZ STAFF

Sofia Vergara's friend just learned a very tough lesson about life ... never pose next to Sofia Vergara in a bikini!!!!

The "Modern Family" star -- who's currently on a two week vacation in Italy -- just posted this photo on her Twitter page, declaring that her white bikini would be her "uniform" for the rest of her trip.

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